Which medium has the highest optical density?
Vacuum
Air
Water
Glass
The correct option is (B) Water
Find out, from Table, the medium having highest optical density. Also find the medium with lowest optical density.
Material
medium
Refractive index
Material medium
Refractive
index
1.0003
Canada Balsam
1.53
Ice
1.31
-
1.33
Rock salt
1.54
Alcohol
1.36
Kerosene
1.44
Carbon disulphide
1.63
Fused
quartz
1.46
Dense
flint glass
1.65
Turpentine oil
1.47
Ruby
1.71
Benzene
1.50
Sapphire
1.77
Crown
glass
1.52
Diamond
2.42